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// Package nginx regenerates one vhost file per app and reloads. Skiff never
// touches nginx.conf itself - that just needs one `include skiff.d/*.conf;`
// line added once, by hand, when nginx is first set up.
package nginx
import (
"context"
"fmt"
"io"
"os"
"skiff/internal/layout"
"skiff/internal/sh"
"skiff/internal/tmpl"
)
// EnsureRoute writes app's vhost file and reloads nginx, but only if the
// rendered config actually changed - most deploys don't touch routing.
func EnsureRoute(ctx context.Context, out io.Writer, cfg layout.Config, app, ip string, port int, serverName string) error {
rendered, err := tmpl.NginxApp(tmpl.NginxAppData{
Name: app,
IP: ip,
Port: port,
ServerName: serverName,
})
if err != nil {
return err
}
path := cfg.NginxConfPath(app)
existing, _ := os.ReadFile(path)
if string(existing) == rendered {
return nil
}
if err := os.WriteFile(path, []byte(rendered), 0644); err != nil {
return fmt.Errorf("write nginx conf for %s: %w", app, err)
}
fmt.Fprintf(out, "==> nginx route changed for %s, reloading\n", app)
return Reload(ctx, out)
}
func Reload(ctx context.Context, out io.Writer) error {
return sh.Run(ctx, out, "", "nginx", "-s", "reload")
}
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